/*******************************************************************************
 *   Copyright 2017 IBM Corp. All Rights Reserved.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *******************************************************************************/
package com.ibm.janusgraph.utils.importer.util;

/**
 * Receive worker state change event
 */
public interface WorkerListener {
    /**
     * Worker state
     * - Running: perform the work
     * - Done: finish the work
     */
    public enum State {
        Running,
        Done
    }

    /**
     * Notify state change
     * @param state
     */
    public void notify(Worker worker, State state);
}
